Explosive Atmospheres ATEX fans
HPX/ATEX
Axial fans with external motor, ATEX 2G or 2D certification and Ex db, Ex eb, Ex tb motors. ATEX 3G or 3D fan option only inside with normal motor
Belt driven tubular axial fans with casing aperture up to 180º to facilitate maintenance and cleaning. ATEX 2G or 2D certification with flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb motor to work in explosive gas or dust atmospheres. They can also be supplied with a motor without ATEX category for ATEX category 3 fans only inside the fan.
Fan:
• Tubular casing made of sheet steel with aluminium strip in rotor zone, in accordance with standard EN 14986.
• Cast aluminium impellers.
• Guard belts and pulleys with copper coating to avoid sparks.
• Watertight transmission group (IP66) with double seal system.
• Airflow direction from pulley to impeller.
• Temperature of the air to be carried: -25 ºC to +120 ºC (T3) and -25 ºC +88 ºC (T4).
• Standard marking Ex db version with flameproof motor (Ex db): II 2G Ex h IIB T4 Gb.
• Standard marking Ex eb version with increased safety motor (Ex eb): II 2G Ex h IIB T3 Gb.
• Standard marking for Ex n version with motor without ATEX category: II 3G Ex h IIB T3 Gc only inside the fan.
Motor:
• Class F motors with ball bearings and ATEX certification flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb. Also motor without ATEX classification.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -20 ºC +40 ºC.
Finish:
• Anti-corrosive with ATEX paint, free of iron components, in polyester resin polymerized at 190 ºC, after degreasing with phosphate-free nanotechnological treatment.
On request:
• Motors with built-in PTC.
• Airflow direction from impeller to pulley.
• Special windings for different voltages and frequencies.
• ATEX fan with greater protection than the standard marking.
• Fans with 2 speed motor.
Fan:
• Tubular casing made of sheet steel with aluminium strip in rotor zone, in accordance with standard EN 14986.
• Cast aluminium impellers.
• Guard belts and pulleys with copper coating to avoid sparks.
• Watertight transmission group (IP66) with double seal system.
• Airflow direction from pulley to impeller.
• Temperature of the air to be carried: -25 ºC to +120 ºC (T3) and -25 ºC +88 ºC (T4).
• Standard marking Ex db version with flameproof motor (Ex db): II 2G Ex h IIB T4 Gb.
• Standard marking Ex eb version with increased safety motor (Ex eb): II 2G Ex h IIB T3 Gb.
• Standard marking for Ex n version with motor without ATEX category: II 3G Ex h IIB T3 Gc only inside the fan.
Motor:
• Class F motors with ball bearings and ATEX certification flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb. Also motor without ATEX classification.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -20 ºC +40 ºC.
Finish:
• Anti-corrosive with ATEX paint, free of iron components, in polyester resin polymerized at 190 ºC, after degreasing with phosphate-free nanotechnological treatment.
On request:
• Motors with built-in PTC.
• Airflow direction from impeller to pulley.
• Special windings for different voltages and frequencies.
• ATEX fan with greater protection than the standard marking.
• Fans with 2 speed motor.
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